There are loads of videos from the Intel Software Development Conference LDN - in London - available at their YouTube channel. It is a mix of interviews and "impressions" from presentations. No need to look at the latter ones. They are just two minutes of camera footage showing the speaker and the audience with bad audio. Not complete presentations recordings. Actually most interviews are also not very informative. So overall, if you want to get an idea of what was happening at the event, the videos are fine. If you want to hear some information, they may not be the best source.
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